Skill profile

thumbnail-design

Design YouTube video thumbnails that earn the click : mobile-legible.

What this skill does for you

Design YouTube video thumbnails that earn the click : mobile-legible, one focal point, honest. Use when someone wants to design a YouTube thumbnail, improve CTR, brief a thumbnail, choose thumbnail text, or plan thumbnail A/B testing. Designs and briefs high-CTR thumbnails and writes the A/B test plan: a thumbnail is a promise, not a poster, designed as a unit with the title and legible on mobile. Uses the CLICK framework. Reads brand-profile + the video/title first. A HUMAN or an image/design tool (nano-banana/ideogram/Canva/designer) creates the final raster; the YouTube custom thumbnail is uploaded NATIVELY in Studio (WoopSocial has no thumbnail field) and Test & Compare is native; TikTok/IG-Reel covers use WoopSocial's cover field via those format skills. No clickbait, no unconsented real-person/deepfake faces, CTR never fabricated. Distinct from youtube-publishing-and-metadata (the metadata) and nano-banana/ideogram (which generate the raster this briefs).

Quoted from the skill description in the pinned source

Who made it

Publishersocial-media-skills

Repositoryskills

Installs356as of Sep 27, 2026

Use it with Edge

Set up Edge for me: read getedge.cc/SKILL.md and follow it. Then use Edge to load the thumbnail-design skill from social-media-skills/skills.

Paste it into Claude, ChatGPT, Codex or Cursor.

Or read the skill source first.

Security evidence

Security state at 2026-09-30: reviewed. State definitions. This records static evidence for this revision; live load eligibility is checked again.

3 static scans, 0 counted findings. The listed scanners recorded the results shown for this package revision.

Scanner	Date	Result
Edge static checks	2026-09-27	Pass
Cisco skill-scanner	2026-09-27	Pass
Semgrep Edge rules	2026-09-27	Pass

Static scans check the code, not how well the skill works.

Scanner scope, raw findings and mirrored provider records

Edge static checks (Edge-run): edge-static/1.0.1. Scope: Static patterns for remote execution, credentials with network sends, obfuscation, prompt overrides, hidden Unicode, binaries and persistence. Revision: 6e30eeb2f6736bda8683b6bbaa674af3641d7945. Raw findings: . Counted findings: .

Cisco skill-scanner (Edge-run): cisco-skill-scanner/2.1.0. Scope: Local static, YARA, pipeline and behavioral analyzers; no LLM or AI Defense analysis. Revision: 6e30eeb2f6736bda8683b6bbaa674af3641d7945. Raw findings: 1. Counted findings: .

Semgrep Edge rules (Edge-run): semgrep/1.178.0+edge-rules.c15016a36fd3+offline-v1. Scope: Six Edge-authored static rules with Semgrep CE; offline execution and metrics disabled. Semgrep-maintained rules excluded. Revision: 6e30eeb2f6736bda8683b6bbaa674af3641d7945. Raw findings: . Counted findings: .

Source and licence

Repository: https://github.com/social-media-skills/skills
Pinned skill file: View source at revision
Revision: 6e30eeb2f6736bda8683b6bbaa674af3641d7945
Package hash: sha256:63922bc5f51e26f1c88f503f9dda6d838bf6c8b594d2effabf1049a6c5cac016
Licence: MIT